Re: RANDOM function? - Mailing list pgsql-novice

From Einar Karttunen
Subject Re: RANDOM function?
Date
Msg-id Pine.LNX.4.33.0107310847510.16977-100000@melkinpaasi.cs.Helsinki.FI
Whole thread Raw
In response to RANDOM function?  ("macky" <macky@edsamail.com>)
List pgsql-novice
On Tue, 31 Jul 2001, macky wrote:

> can someone point me to the documentation of RANDOM() function....
>
> and can i insert RANDOM POSTIVE WHOLE NUMBERS...?
>
> create table table_name (key int4);
>
> insert into table_name(key) values(random());  <-- this gives me a value of
> 1 and 0 only..
>
random produces a float between 0 and 1. Just multiple it with the
interval you want and you will get the random number you want.

eg. to get a random number between 0 and 100 -> 100 * random().
between 32 and 40 -> (8 * random()) + 32.

- Einar Karttunen



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